737-800再加热器对其中空气进行加热的目的是什么（） A.分离水分 B.增加AC 发布时间：2018-05-02 07:24 │ 来源：www.tikuol.com 题型：单项选择题 问题： 737-800再加热器对其中空气进行加热的目的是什么（）A.分离水分B.增加ACM涡轮效率C.防止气滤堵塞D.散热器的效果差导致
题型：单项选择题 完型填空。 Once a rich woman invited Martin Brown, a famous singer, to sing for her fiends. But she 1 him to have dinner with them. She told him to eat 2 the servants. After the meal Martin stood up and said to the servant, "Now, my good friends, I 3 for you." He sang several songs and the servants were quite 4 . Then the rich woman asked 5 to come to the sitting-room. "We are waiting for your songs. 6 you ready?" the woman asked. "I am sorry," Martin said. "I have sung 7 . I usually 8 once in one evening, and I can't sing 9 ". And with a polite " 10 ", he left the rich woman's house. ( )1. A. doesn't invite ( )2. A. with ( )3. A. sang ( )4. A. sad ( )5. A. the servant ( )6. A. Were ( )7. A. ever ( )8. A. sings ( )9. A. one ( )10. A. Good night B. don't invite B. for B. will sing B. bored B. the friend B. Is B. already B. will sing B. two B. Good morning C. didn't invite C. at C. sing C. exciting C. the woman C. Are C. never C. sing C. once C. Good afternoon D. haven't invite D. in D. was singing D. happy D. the singer D. Be D. yet D. sang D. twice D. Good day 查看答案
题型：单项选择题 M公司是一家铜矿开采企业，有从业人员200人；N公司是一家纺织企业，有从业人员280人。王某和李某是s安全技术服务公司员工。依据《安全生产法》，下列有关两家企业安全管理机构设置和人员配置做法中，正确的是（）。A.M公司未设置安全生产管理机构，配备了3名兼职安全生产管理人员B.M公司委托王某负责本公司的安全管理工作C.N公司未设置安全生产管理机构，配备了1名兼职安全生产管理人员D.N公司委托李某负责本公司的消防安全管理工作 查看答案